From 3a314fcea8539133947d5ec8e42a6c86e30fdf9a Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Fri, 16 Jun 2017 09:58:03 -0400
Subject: Repair WithinGroup.get_children()

Fixed AttributeError which would occur in :class:`.WithinGroup`
construct during an iteration of the structure.

Change-Id: I563882d93c8c32292463a605b636aa60c77e9406
Fixes: #4012
---
 lib/sqlalchemy/sql/elements.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/sqlalchemy/sql')

diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py
index 88c294999..46a8d2c35 100644
--- a/lib/sqlalchemy/sql/elements.py
+++ b/lib/sqlalchemy/sql/elements.py
@@ -3379,7 +3379,7 @@ class WithinGroup(ColumnElement):
 
     def get_children(self, **kwargs):
         return [c for c in
-                (self.func, self.order_by)
+                (self.element, self.order_by)
                 if c is not None]
 
     def _copy_internals(self, clone=_clone, **kw):
-- 
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